| /* $XConsortium: mga_bios.h /main/2 1996/10/28 04:48:23 kaleb $ */ |
| #ifndef MGA_BIOS_H |
| #define MGA_BIOS_H |
| |
| /* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/mga/mga_bios.h,v 1.3 1998/07/25 16:55:51 dawes Exp $ */ |
| |
| /* |
| * MGABiosInfo - This struct describes the video BIOS info block. |
| * |
| * DESCRIPTION |
| * Do not mess with this, unless you know what you are doing. |
| * The data lengths and types are critical. |
| * |
| * HISTORY |
| * October 7, 1996 - [aem] Andrew E. Mileski |
| * This struct was shamelessly stolen from the MGA DDK. |
| * It has been reformatted, and the data types changed. |
| */ |
| typedef struct { |
| /* Length of this structure in bytes */ |
| __u16 StructLen; |
| |
| /* |
| * Unique number identifying the product type |
| * 0 : MGA-S1P20 (2MB base with 175MHz Ramdac) |
| * 1 : MGA-S1P21 (2MB base with 220MHz Ramdac) |
| * 2 : Reserved |
| * 3 : Reserved |
| * 4 : MGA-S1P40 (4MB base with 175MHz Ramdac) |
| * 5 : MGA-S1P41 (4MB base with 220MHz Ramdac) |
| */ |
| __u16 ProductID; |
| |
| /* Serial number of the board */ |
| __u8 SerNo[ 10 ]; |
| |
| /* |
| * Manufacturing date of the board (at product test) |
| * Format: yyyy yyym mmmd dddd |
| */ |
| __u16 ManufDate; |
| |
| /* Identification of manufacturing site */ |
| __u16 ManufId; |
| |
| /* |
| * Number and revision level of the PCB |
| * Format: nnnn nnnn nnnr rrrr |
| * n = PCB number ex:576 (from 0->2047) |
| * r = PCB revision (from 0->31) |
| */ |
| __u16 PCBInfo; |
| |
| /* Identification of any PMBs */ |
| __u16 PMBInfo; |
| |
| /* |
| * Bit 0-7 : Ramdac speed (0=175MHz, 1=220MHz) |
| * Bit 8-15 : Ramdac type (0=TVP3026, 1=TVP3027) |
| */ |
| __u16 RamdacType; |
| |
| /* Maximum PCLK of the ramdac */ |
| __u16 PclkMax; |
| |
| /* Maximum LDCLK supported by the WRAM memory */ |
| __u16 LclkMax; |
| |
| /* Maximum MCLK of base board */ |
| __u16 ClkBase; |
| |
| /* Maximum MCLK of 4Mb board */ |
| __u16 Clk4MB; |
| |
| /* Maximum MCLK of 8Mb board */ |
| __u16 Clk8MB; |
| |
| /* Maximum MCLK of board with multimedia module */ |
| __u16 ClkMod; |
| |
| /* Diagnostic test pass frequency */ |
| __u16 TestClk; |
| |
| /* Default VGA mode1 pixel frequency */ |
| __u16 VGAFreq1; |
| |
| /* Default VGA mode2 pixel frequency */ |
| __u16 VGAFreq2; |
| |
| /* Date of last BIOS programming/update */ |
| __u16 ProgramDate; |
| |
| /* Number of times BIOS has been programmed */ |
| __u16 ProgramCnt; |
| |
| /* Support for up to 32 hardware/software options */ |
| __u32 Options; |
| |
| /* Support for up to 32 hardware/software features */ |
| __u32 FeatFlag; |
| |
| /* Definition of VGA mode MCLK */ |
| __u16 VGAClk; |
| |
| /* Indicate the revision level of this header struct */ |
| __u16 StructRev; |
| |
| __u16 Reserved[ 3 ]; |
| } MGABiosInfo; |
| |
| /* from the PINS structure, refer pins info from MGA */ |
| typedef struct tagParamMGA { |
| __u16 PinID; /* 0 */ |
| __u8 StructLen; /* 2 */ |
| __u8 Rsvd1; /* 3 */ |
| __u16 StructRev; /* 4 */ |
| __u16 ProgramDate; /* 6 */ |
| __u16 ProgramCnt; /* 8 */ |
| __u16 ProductID; /* 10 */ |
| __u8 SerNo[16]; /* 12 */ |
| __u8 PLInfo[6]; /* 28 */ |
| __u16 PCBInfo; /* 34 */ |
| __u32 FeatFlag; /* 36 */ |
| __u8 RamdacType; /* 40 */ |
| __u8 RamdacSpeed; /* 41 */ |
| __u8 PclkMax; /* 42 */ |
| __u8 ClkGE; /* 43 */ |
| __u8 ClkMem; /* 44 */ |
| __u8 Clk4MB; /* 45 */ |
| __u8 Clk8MB; /* 46 */ |
| __u8 ClkMod; /* 47 */ |
| __u8 TestClk; /* 48 */ |
| __u8 VGAFreq1; /* 49 */ |
| __u8 VGAFreq2; /* 50 */ |
| __u8 MCTLWTST; /* 51 */ |
| __u8 VidCtrl; /* 52 */ |
| __u8 Clk12MB; /* 53 */ |
| __u8 Clk16MB; /* 54 */ |
| __u8 Reserved[8]; /* 55-62 */ |
| __u8 PinCheck; /* 63 */ |
| } MGABios2Info; |
| |
| #endif |
